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| II Open IRT U1800 Escuela Trinitaria Deportiva | Lima | PER | 2022-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1073 | 0.50 | 4 | -0.36 | 33 | -11.88 | |
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 Quevedo Perales, Aaron Wilfredo | | | 1444 | PER | 0.00 | 1 | -0.10 | 33 | -3.30 | |
| Acuna Alarcon, Claudia Micaela | | | 1321 | PER | 0.00 | 1 | -0.19 | 33 | -6.27 | |
 Paz Neyra, Eduardo Gabriel | | | 1184 | PER | 0.50 | 1 | 0.15 | 33 | 4.95 | |
| Lapa Cunias, Marco Antonio | | | 1289 | PER | 0.00 | 1 | -0.22 | 33 | -7.26 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) |
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| 4 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1263 | 1113 | 3.00 | 6 | 0.89 | 33 | 29.37 | |
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| Benavides Conza, Diego Angelo | | | 1684 | PER | 0.00 | 1 | -0.02 | 33 | -0.66 | |
| Rojas Salas, Rihanna Irina | | | 1058 | PER | 1.00 | 1 | 0.42 | 33 | 13.86 | |
| Vilca Contreras, Dante Ivan | | | 1315 | PER | 0.00 | 1 | -0.24 | 33 | -7.92 | |
| Mollo Figueroa, Nicole | | | 1340 | BOL | 1.00 | 1 | 0.79 | 33 | 26.07 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1103 | PER | 0.00 | 1 | -0.51 | 33 | -16.83 | |
| Chesa Horiuchi, Nikolas Gabriel | | | 1080 | PER | 1.00 | 1 | 0.45 | 33 | 14.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) |
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| 5 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1231 | 1113 | 2.00 | 5 | 0.22 | 33 | 7.26 | |
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| Reyes Zavaleta, Cristhian Yamil | | | 1403 | PER | 0.00 | 1 | -0.16 | 33 | -5.28 | |
| Ramirez Mori, Angel Farid | | | 1257 | PER | 0.00 | 1 | -0.31 | 33 | -10.23 | |
| Gomez Nunez, Fabian Elmer | | | 1099 | PER | 0.50 | 1 | -0.02 | 33 | -0.66 | |
| Mollo Figueroa, Nicole | | | 1340 | BOL | 0.50 | 1 | 0.29 | 33 | 9.57 | |
| Rojas Salas, Rihanna Irina | | | 1058 | PER | 1.00 | 1 | 0.42 | 33 | 13.86 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) |
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| 6 Open IRT U1800 Club Hermanos Rojas | Lima | PER | 2022-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1285 | 1113 | 2.00 | 6 | 0.25 | 33 | 8.25 | |
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| Mollo Figueroa, Nicole | | | 1340 | BOL | 0.00 | 1 | -0.21 | 33 | -6.93 | |
| Ramirez Mori, Angel Farid | | | 1257 | PER | 0.50 | 1 | 0.19 | 33 | 6.27 | |
| Maravi Ceron, Ayme | | | 1187 | PER | 0.50 | 1 | 0.10 | 33 | 3.30 | |
| Carbajal Sotomayor, Cesar Stefano | | | 1097 | PER | 1.00 | 1 | 0.48 | 33 | 15.84 | |
| Ramirez Espino, Alessandro | | | 1326 | PER | 0.00 | 1 | -0.23 | 33 | -7.59 | |
| Bendezu Yupanqui, Albert Martin | | | 1505 | PER | 0.00 | 1 | -0.08 | 33 | -2.64 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) |
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